2.755778 lbs or round to 2.76 or 3 depending on the question
0.5 because if you divide 3 and 6 yards it’s equal to 0.5yards. You divide the yard and the friends because they are sharing three yards. So, each friend gets 0.5 yard each.
F(g(x)) = f(x-4) = (x-4)
g(f(x)) = g(x) = x-4
As a formula, you're saying 4*(n-7)=32
This solves to n-7 = 8, so n=15